The Yume Nikki : Mod(ified) Project is a mod that adds new features to the current Yume Nikki build. Much like the original game, it stars Madotsuki. It plays like the original Yume Nikki, with some added areas and NPCs. Unlike the original, Madotsuki can talk to certain NPCs.
Wishful Thinking is a small Yume Nikki Fangame that stars a 13 year old boy named Joshua, who is a curious and peaceful person that uses their dreams to comfort themselves about a past event.
Lonely is a Yume Nikki fangame. The game stars Anistasia, a girl who seems to have locked herself in her room. It plays like most fangames, based around exploration and collecting effects. Additionally, there are a few events with dialogue.
INSULTED is a Yume Nikki fangame. Play as Cathy and collect "Objects" that will help her find even more useful Objects. Avoid the stalker of Cathy's dreams that appears to hunt her down.
Deep Fried Nikki is an English Yume Nikki fangame. It was made as a late April Fool's joke, satirizing fangames that are essential re-skins of Yume Nikki. It plays just like Yume Nikki, but with different graphics and music, and with an additional ending located in the White Desert.
Yume Smashi is a story about Smashotsuki, and how with the power of his nearly limitless imagination he will save the world of his own hellish creation in order to reach UBER Tier. A Yume Nikki parody fangame.